assertNotNull(order);
        assertEquals(BucketOrder.key(false), order);
    }

    // Test getBucketOrder with key.asc
    public void test_getBucketOrder_keyAsc() {
        facetInfo.sort = "key.asc";
        BucketOrder order = facetInfo.getBucketOrder();
        assertNotNull(order);
        assertEquals(BucketOrder.key(true), order);
    }